{"id":258,"date":"2024-05-22T09:31:06","date_gmt":"2024-05-22T01:31:06","guid":{"rendered":"https:\/\/www.bertzzz-horizon.xyz\/?p=258"},"modified":"2024-10-20T21:10:06","modified_gmt":"2024-10-20T13:10:06","slug":"%e5%9f%ba%e4%ba%8eopencv%e7%9a%84%e7%ae%80%e5%8d%95%e6%96%91%e9%a9%ac%e7%ba%bf%e8%af%86%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.bertzzz-horizon.xyz\/?p=258","title":{"rendered":"\u57fa\u4e8eOpenCV\u7684\u7b80\u5355\u6591\u9a6c\u7ebf\u8bc6\u522b"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code lang=\"python\" class=\"language-python\">import cv2 as cv\nimport numpy as np\n\n#\u5c06\u56fe\u50cf\u590d\u5236\u4e00\u4efd\u5e76\u8f6c\u4e3a\u7070\u5ea6\u56fe\n\nimg = cv.imread(\"zebra.jpg\")\nimg_copy = img.copy()\nimg_copy = cv.resize(img_copy,(640,480))\ngray = cv.cvtColor(img_copy,cv.COLOR_BGR2GRAY)\n\n#\u6a21\u7cca\u53bb\u566a\u4e0e\u4e8c\u503c\u5316\n\nimg_Blur = cv.GaussianBlur(gray,(5,5),10)\nret,thresh = cv.threshold(img_Blur,150,255,cv.THRESH_BINARY)\n\n#\u5f62\u6001\u5b66\u8150\u8680\u4e0e\u81a8\u80c0\n\nimg_Ero = cv.erode(thresh,np.ones((3,1),np.uint8),iterations=3)\nimg_Dila = cv.dilate(img_Ero,np.ones((5,1),np.uint8),iterations=1)\n\n#cv.imshow(\"TH\",thresh)\n#cv.imshow(\"Blur\",img_Blur)\n#cv.imshow(\"Ero\",img_Ero)\n#cv.imshow(\"Dila\",img_Dila)\n#cv.waitKey(0)\n\n#\u7ed8\u5236\n\ncontouts,h = cv.findContours(img_Dila,cv.RETR_TREE,cv.CHAIN_APPROX_NONE)\ncnt = contouts\nfor i in cnt:\n    x,y,w,h = cv.boundingRect(i)\n    print(x,y,w,h)\n    if y&gt;240 and w&gt;35 and h&gt;10:\n        zeb=cv.drawContours(img_copy,i,-1,(0,255,0),3)\ncv.imshow('zebra',zeb)\ncv.waitKey(0)<\/code><\/pre>\n\n\n\n<p><strong>\u6d4b\u8bd5\u7528\u56fe\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full wp-duotone-unset-1\"><img loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"316\" src=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/zebra.jpg\" alt=\"\" class=\"wp-image-259\" srcset=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/zebra.jpg 474w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/zebra-300x200.jpg 300w\" sizes=\"(max-width: 474px) 100vw, 474px\" \/><\/figure>\n\n\n\n<p><strong>\u4e8c\u503c\u5316\u6548\u679c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"948\" height=\"756\" src=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin.jpg\" alt=\"\" class=\"wp-image-260\" style=\"width:480px;height:auto\" srcset=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin.jpg 948w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-300x239.jpg 300w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-768x612.jpg 768w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n\n\n\n<p><strong>\u8150\u8680\/\u81a8\u80c0\u5904\u7406\u540e\u6548\u679c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"948\" height=\"750\" src=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-1.jpg\" alt=\"\" class=\"wp-image-261\" style=\"width:485px;height:auto\" srcset=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-1.jpg 948w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-1-300x237.jpg 300w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/bin-1-768x608.jpg 768w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574x\uff0cy\u9650\u5236\u6591\u9a6c\u7ebf\u8303\u56f4\u3002<\/p>\n\n\n\n<p><strong>\u6700\u7ec8\u6548\u679c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"769\" src=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/neo.jpg\" alt=\"\" class=\"wp-image-262\" style=\"width:492px;height:auto\" srcset=\"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/neo.jpg 964w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/neo-300x239.jpg 300w, https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/neo-768x613.jpg 768w\" sizes=\"(max-width: 964px) 100vw, 964px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u6d4b\u8bd5\u7528\u56fe\uff1a \u4e8c\u503c\u5316\u6548\u679c\uff1a \u8150\u8680\/\u81a8\u80c0\u5904\u7406\u540e\u6548\u679c\uff1a \u53ef\u4ee5\u901a\u8fc7\u8c03\u6574x\uff0cy\u9650\u5236\u6591\u9a6c\u7ebf\u8303\u56f4\u3002 \u6700\u7ec8\u6548\u679c\uff1a<\/p>\n","protected":false},"author":1,"featured_media":264,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[9],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2024\/05\/ab.jpg","_links":{"self":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/258"}],"collection":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=258"}],"version-history":[{"count":2,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":349,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/258\/revisions\/349"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/media\/264"}],"wp:attachment":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}